Champagne glass



FIG. 1 is a front elevational view of a champagne glass showing our new design, the rear elevational view being identical;

FIG. 2 is a right side elevation view thereof, the left side elevational view being identical;

FIG. 3 is an enlarged top plan view thereof; and,

FIG. 4 is an enlarged bottom plan view thereof.

The broken lines in the drawings depict portions of the champagne glass that form no part of the claimed design. 

CLAIM The ornamental design for a champagne glass, as shown and described. 